(1) In the case of a sale by auction, the successful bidder may in accordance with the provisions of the preceding eight Articles, either rescind the contract or demand a reduction of the purchase-price against the obligor.
(2) In the case of the preceding paragraph, if the obligor is under financial disability, the successful bidder may demand all or some of the proceeds of the sale which the obligee has received as his portion of the proceeds of the sale.
(3) If, in the cases of the preceding two paragraphs, the obligor was aware of any deficiency in the object or right sold and nevertheless failed to disclose it, or the obligee was aware of such deficiency and demanded a sale by auction, the successful bidder may claim damages either from the obligor or obligee who was aware of such deficiency.